This assignment, created on December 31, 2018, features the sales of a certain product (which I can't disclose, sorry) from January to December. The market is divided into 8 Market Areas :
- NOL : Northern Luzon
- CEL : Central Luzon
- SOL : South Luzon
- BIC : Bicol
- VIS : Visayas
- NOM : North Mindanao
- SOM : South Mindanao
The plot is 3-dimensional. You can drag the mouse over the figure to rotate the graph.